"\a" == "\x07" # => true #ASCII 0x07 = BEL (Sound system bell)
"\b" == "\x08" # => true #ASCII 0x08 = BS (Backspace)
"\e" == "\x1b" # => true #ASCII 0x1B = ESC (Escape)
"\f" == "\x0c" # => true #ASCII 0x0C = FF (Form feed)
"\n" == "\x0a" # => true #ASCII 0x0A = LF (Newline/line feed)
"\r" == "\x0d" # => true #ASCII 0x0D = CR (Carriage return)
"\t" == "\x09" # => true #ASCII 0x09 = HT (Tab/horizontal tab)
"\v" == "\x0b" # => true #ASCII 0x0B = VT (Vertical tab)